Multiple Choice
Below is the graph of the rate r in arrivals/minute at which students line up for breakfast at the Cafeteria Charlotte.The first people arrive at 6:50a.m.and the line opens at 7:00a.m.Suppose that once the line is open, checkers can check peoples' meal cards at a constant rate of 20 people per minute.Use the graph and this information to find an estimate for the length of the line (i.e.the number of people) at 7:10.
A) 200
B) 230
C) 260
D) 290
Correct Answer:

Verified
Correct Answer:
Verified
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